21．The largest ever ________ 16th Asian Games is ________ huge success and the best ever in history．
A．the; 不填 B．不填; a C．the; a D．不填; 不填
22．--Kathy and her sister are so alike．
--Yeah, I can’t tell one from ________．
A．another B．other C．the other D．others
23．--Shall I give you a ride to the Capital Airport?
--Thank you．________．
A．If you like B．It couldn’t be better C．Of course, you can D．It’s up to you
